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Coordination chemistry of alkali and alkaline earth cations: Crystal structure of rubidium (benzo-15-crown-5)2NO3·H2O

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Abstract

The complex Rb(B15C5)2NO3·H2O is monoclinic,P21/c,a=12.695(3),b=19.471(3),c=12.991(2)Å, β=99.60(2)o,V=3166 Å3,D c =1.473 g/cm3 (163 K),D c =1.434 g/cm3 (298 K),D o =1.44 g/cm3 (298 K),T=163K,Z=4, MoKαλ=0.71069 Å, 2θ(4o–53o), μ=16.43 cm−1,F(000)=1424. FinalR for the 4588 observed reflections (F>3σ) is 0.062. All ten oxygens of the two benzo-crowns are shown to coordinate to the rubidium ion (Rb...O,2.92 to 3.07 Å) forming a charge-separated sandwich. The nearest nitrate oxygen is displaced 6.51 Å from the rubidium ion and is hydrogen bonded to a water molecule.

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Authors and Affiliations

  1. Chemistry Department and Clayton Foundation Biochemical Institute, University of Texas, 78712, Austin, Texas, USA

    C. Momany, K. Clinger & M. L. Hackert

  2. Chemistry Department, Devi Ahilya University, 452 001, Indore, India

    N. S. Poonia

Authors
  1. C. Momany
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  2. K. Clinger
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  3. M. L. Hackert
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  4. N. S. Poonia
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Additional information

Supplementary Data relating to this article are deposited with the British Library as Supplementary Publication No. SUP 82028 (28 pages)

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Momany, C., Clinger, K., Hackert, M.L. et al. Coordination chemistry of alkali and alkaline earth cations: Crystal structure of rubidium (benzo-15-crown-5)2NO3·H2O. Journal of Inclusion Phenomena 4, 61–67 (1986). https://doi.org/10.1007/BF00662082

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  • DOI: https://doi.org/10.1007/BF00662082

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